Construction of RCC Bridge No. 2/1 with BUG Super Structure (L - 24.75m) on Singioni Deoghar Road under Conversion of 1000 Nos SPT Bridge to RCC Bridge for the Year 2020-21. (Balance Work) Pkg.No.BW/STTRD/Thowra/01

Amount

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (i) Private Land SOR(SH&MDR)-2013-14

Construction of granular sub-base by providing close graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401.(with an initial lead of 5 km ) (ii) For Grading II Material SOR(SH&MDR)-2013-14

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 8-10 tonnes in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 (with an initial lead of 5.0 km) WBM Grading 2 By Manual Means SOR(SH&MDR)-2013-14

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 3 (with an initial lead of 5.0 km) WBM Grading 3 By Manual Means SOR(SH&MDR)-2013-14

Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means (with bitumen emulsion CSS-1) (IS-8887-2004) SOR(SH&MDR)-2013-14

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with machanical broom (III) with bitumen emulsion CRS-1 SOR(SH&MDR)-2013-14

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 8-10tonne capacity, to the requried level and grade . Case-I: By Mechanicall means using Penetration grade Bitumen (60/70 or VG grade) and HMP of appropriate capacity not less than 75 tonnes/hour) (iii) Bitumen S-90 SOR(SH&MDR)-2013-14

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510. B) By Mechanical Means Case-III: Type B (i) Bitumen S-90 SOR(SH&MDR)-2013-14

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801 (iv) 800mm x 600mm rectangular SOR(SH&MDR)-2013-14

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. (b) 15 cm dia. RCC guard post with reinforcement of 4nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c. SOR(SH&MDR)-2013-14

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticiser (E ) RCC Grade M25 (a) Height upto 5m Using concrete Mixer SOR(SH&MDR)-2013-14

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent)) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202 SOR(SH&MDR)-2013-14

Supplying, fitting and fixing in position true to line and level cast steel rocker bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications. SOR(SH&MDR)-2013-14

Supplying, fitting and fixing in position true to line and level forged steel roller bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications. SOR(SH&MDR)-2013-14

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. (C) RCC Grade M 30 (N) Without Plasticiser (case-I) Using Concrete Mixer (ii) For T-beam & slab (a) Height upto 5m SOR(SH&MDR)-2013-14

Providing and launching Steel Truss of Structural steel BUG Super Structure including painting complete as per as per drawing and technical specifications under Section 1900 of MOST. SOR(SH&MDR)-2013-14

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar . (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent)) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202 SOR(SH&MDR)-2013-14

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications SOR(SH&MDR)-2013-14

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequat space between vertical posts for expansion, complete as per approved drawings and technical specifications. SOR(SH&MDR)-2013-14

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instruction for installation SOR(Rural)-2013-14

Drainage spouts complete as per drawing and technical specifications Clause 1209 SOR(SH&MDR)-2013-14

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 (ii) Sandy material SOR(SH&MDR)-2013-14

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 (i) Stone/Boulder SOR(SH&MDR)-2013-14

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302 SOR(SH&MDR)-2013-14

Providing and laying boulder apron for bed protection with stone boulders of minimum size and weight as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete as per drawing and technical specifications Clause 1301 SOR(SH&MDR)-2013-14

DIGANTA GOGOI